PDS for Mid TN and North AL
Posted by JAC on 10/26/2010, 10:45 am
The whole squall line is tornado warned. URGENT - IMMEDIATE BROADCAST REQUESTED TORNADO WATCH NUMBER 723 NWS STORM PREDICTION CENTER NORMAN OK 930 AM CDT TUE OCT 26 2010 THE NWS STORM PREDICTION CENTER HAS ISSUED A TORNADO WATCH FOR PORTIONS OF NORTHERN ALABAMA MIDDLE TENNESSEE EFFECTIVE THIS TUESDAY MORNING AND AFTERNOON FROM 930 AM UNTIL 500 PM CDT. ...THIS IS A PARTICULARLY DANGEROUS SITUATION... DESTRUCTIVE TORNADOES...LARGE HAIL TO 1.5 INCHES IN DIAMETER... THUNDERSTORM WIND GUSTS TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS. THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 85 STATUTE MILES EAST AND WEST OF A LINE FROM 60 MILES NORTHEAST OF NASHVILLE TENNESSEE TO 55 MILES SOUTHEAST OF TUPELO MISSISSIPPI. FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU3). REMEMBER...A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR TORNADOES AND SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA. PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS AND POSSIBLE WARNINGS. OTHER WATCH INFORMATION...CONTINUE...WW 720...WW 721...WW 722... DISCUSSION...A PRE-FRONTAL BAND OF CONVECTION CURRENTLY DEEPENING FROM N-CNTRL MS NWD TO E OF MKL IS EXPECTED TO EVOLVE INTO TSTMS LATE THIS MORNING WITHIN A STRONGLY SHEARED AND WARMING/DESTABILIZING ENVIRONMENT. THE COMBINATION OF EFFECTIVE SRH OF 300-400 M2/S2...MLCAPE OF 500-1000 J/KG AND THE POTENTIAL FOR MORE DISCRETE STORM MODES SUGGEST A THREAT LONG-TRACKED SUPERCELLS CAPABLE OF STRONG TORNADOES. AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT TO 1.5 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM MOTION VECTOR 24050. ...MEAD Hazard Tornadoes EF2+ Tornadoes Likelihood High Moderate Severe Wind 65 kt+ Wind Moderate Moderate Severe Hail 2"+ Hail Moderate Low Note: See the experimental Public Watch (SEL) product with explicit hazard information section below. The expiration time in the watch graphic is amended if the watch is replaced, cancelled or extended. Note: Click for Watch Status Reports. SEL3 URGENT - IMMEDIATE BROADCAST REQUESTED TORNADO WATCH NUMBER 723 NWS STORM PREDICTION CENTER NORMAN OK 930 AM CDT TUE OCT 26 2010 THE NWS STORM PREDICTION CENTER HAS ISSUED A TORNADO WATCH FOR PORTIONS OF NORTHERN ALABAMA MIDDLE TENNESSEE EFFECTIVE THIS TUESDAY MORNING AND AFTERNOON FROM 930 AM UNTIL 500 PM CDT. ...THIS IS A PARTICULARLY DANGEROUS SITUATION... SEVERAL TORNADOES INTENSE TORNADOES LIKELY SCATTERED DAMAGING WINDS WIND GUSTS TO 70 MPH LIKELY SCATTERED LARGE HAIL TO 1.5 INCHES IN DIAMETER THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 85 STATUTE MILES EAST AND WEST OF A LINE FROM 60 MILES NORTHEAST OF NASHVILLE TENNESSEE TO 55 MILES SOUTHEAST OF TUPELO MISSISSIPPI. FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU3). REMEMBER...A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR TORNADOES AND SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA. PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS AND POSSIBLE WARNINGS. OTHER WATCH INFORMATION...CONTINUE...WW 720...WW 721...WW 722... DISCUSSION...A PRE-FRONTAL BAND OF CONVECTION CURRENTLY DEEPENING FROM N-CNTRL MS NWD TO E OF MKL IS EXPECTED TO EVOLVE INTO TSTMS LATE THIS MORNING WITHIN A STRONGLY SHEARED AND WARMING/DESTABILIZING ENVIRONMENT. THE COMBINATION OF EFFECTIVE SRH OF 300-400 M2/S2...MLCAPE OF 500-1000 J/KG AND THE POTENTIAL FOR MORE DISCRETE STORM MODES SUGGEST A THREAT LONG-TRACKED SUPERCELLS CAPABLE OF STRONG TORNADOES. AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT TO 1.5 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM MOTION VECTOR 24050. ...MEAD Hazard Tornadoes EF2+ Tornadoes Likelihood High Moderate Severe Wind 65 kt+ Wind Moderate Moderate Severe Hail 2"+ Hail Moderate Low SEL3 URGENT - IMMEDIATE BROADCAST REQUESTED TORNADO WATCH NUMBER 723 NWS STORM PREDICTION CENTER NORMAN OK 930 AM CDT TUE OCT 26 2010 THE NWS STORM PREDICTION CENTER HAS ISSUED A TORNADO WATCH FOR PORTIONS OF NORTHERN ALABAMA MIDDLE TENNESSEE EFFECTIVE THIS TUESDAY MORNING AND AFTERNOON FROM 930 AM UNTIL 500 PM CDT. ...THIS IS A PARTICULARLY DANGEROUS SITUATION... DESTRUCTIVE TORNADOES...LARGE HAIL TO 1.5 INCHES IN DIAMETER... THUNDERSTORM WIND GUSTS TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS. THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 85 STATUTE MILES EAST AND WEST OF A LINE FROM 60 MILES NORTHEAST OF NASHVILLE TENNESSEE TO 55 MILES SOUTHEAST OF TUPELO MISSISSIPPI. FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU3). REMEMBER...A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR TORNADOES AND SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA. PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS AND POSSIBLE WARNINGS. OTHER WATCH INFORMATION...CONTINUE...WW 720...WW 721...WW 722... DISCUSSION...A PRE-FRONTAL BAND OF CONVECTION CURRENTLY DEEPENING FROM N-CNTRL MS NWD TO E OF MKL IS EXPECTED TO EVOLVE INTO TSTMS LATE THIS MORNING WITHIN A STRONGLY SHEARED AND WARMING/DESTABILIZING ENVIRONMENT. THE COMBINATION OF EFFECTIVE SRH OF 300-400 M2/S2...MLCAPE OF 500-1000 J/KG AND THE POTENTIAL FOR MORE DISCRETE STORM MODES SUGGEST A THREAT LONG-TRACKED SUPERCELLS CAPABLE OF STRONG TORNADOES. AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT TO 1.5 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM MOTION VECTOR 24050. ...MEAD Hazard Tornadoes EF2+ Tornadoes Likelihood High Moderate Severe Wind 65 kt+ Wind Moderate Moderate Severe Hail 2"+ Hail Moderate Low Note: Click for Watch Status Reports. WOUS64 KWNS 261424 WOU3 BULLETIN - IMMEDIATE BROADCAST REQUESTED TORNADO WATCH OUTLINE UPDATE FOR WT 723 NWS STORM PREDICTION CENTER NORMAN OK 930 AM CDT TUE OCT 26 2010 TORNADO WATCH 723 IS IN EFFECT UNTIL 500 PM CDT FOR THE FOLLOWING LOCATIONS ALC009-033-043-057-059-073-075-077-079-083-089-093-103-127-133- 262200- /O.NEW.KWNS.TO.A.0723.101026T1430Z-101026T2200Z/ AL . ALABAMA COUNTIES INCLUDED ARE BLOUNT COLBERT CULLMAN FAYETTE FRANKLIN JEFFERSON LAMAR LAUDERDALE LAWRENCE LIMESTONE MADISON MARION MORGAN WALKER WINSTON TNC003-005-007-015-021-027-031-035-037-041-043-049-051-055-061- 081-083-085-087-099-101-103-111-115-117-119-125-127-129-133-135- 137-141-147-149-151-153-159-161-165-169-175-177-181-185-187-189- 262200- /O.NEW.KWNS.TO.A.0723.101026T1430Z-101026T2200Z/ TN . TENNESSEE COUNTIES INCLUDED ARE BEDFORD BENTON BLEDSOE CANNON CHEATHAM CLAY COFFEE CUMBERLAND DAVIDSON DEKALB DICKSON FENTRESS FRANKLIN GILES GRUNDY HICKMAN HOUSTON HUMPHREYS JACKSON LAWRENCE LEWIS LINCOLN MACON MARION MARSHALL MAURY MONTGOMERY MOORE MORGAN OVERTON PERRY PICKETT PUTNAM ROBERTSON RUTHERFORD SCOTT SEQUATCHIE SMITH STEWART SUMNER TROUSDALE VAN BUREN WARREN WAYNE WHITE WILLIAMSON WILSON ATTN...WFO...BMX...OHX...MRX...HUN... Hazard Tornadoes EF2+ Tornadoes Likelihood High Moderate Severe Wind 65 kt+ Wind Moderate Moderate Severe Hail 2"+ Hail Moderate Low Note: The Aviation Watch (SAW) product is an approximation to the watch area. The actual watch is depicted by the shaded areas. SAW3 WW 723 TORNADO AL TN 261430Z - 262200Z AXIS..85 STATUTE MILES EAST AND WEST OF LINE.. 60NE BNA/NASHVILLE TN/ - 55SE TUP/TUPELO MS/ ..AVIATION COORDS.. 75NM E/W /28ESE BWG - 25ENE IGB/ HAIL SURFACE AND ALOFT..1.5 INCHES. WIND GUSTS..60 KNOTS. MAX TOPS TO 500. MEAN STORM MOTION VECTOR 24050. LAT...LON 36728437 33708661 33708956 36728744 THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS FOR WOU3. Watch 723 Status Report Message has not been issued yet. |
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In this thread:
- Significant Tornado Potential - JAC, 10/26/2010, 10:50 am
- Re: PDS for Mid TN and North AL - JAC, 10/26/2010, 10:47 am
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